package com.itheima.mydemo.test5;

public interface Inter {
    public static void charu(){
        System.out.println("接口插入");
    }
    public static void bachu(){
        System.out.println("接口拔出");
    }

    public static void caozuo(){
        shuju();
    }

    private static void shuju(){
        System.out.println("数据被");
    }
}
